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December 5, 2025

NYISO

The New York Independent System Operator Inc., a not-for-profit regional transmission owner, is responsible for operating New York's bulk electrical grid, administering the state's wholesale electricity markets, maintaining grid stability, and ensuring the reliability and planning of the state's bulk energy system.
NYPA
NYISO Puts Storage as Transmission on Pause
At a recent Budget and Priorities Working Group meeting, NYISO presented its final recommendations for 2026, which will define where the ISO puts its market design resources.
Ben Schumin, CC BY-SA-2.0, via Wikimedia
NYISO Unveils Changes to Demand Curve
NYISO has proposed to stop using “winter to summer” and “summer to winter” ratios to determine maximum clearing and reference point prices in its seasonal demand curves.  
Shutterstock
NYISO BIC Dissects Power Prices During June Heat Wave
NYISO shared a detailed analysis of New York’s late June heat wave, in which significant operating reserve shortages elevated energy prices.
Micron Technology
NYISO OC Approves SIS for Micron Fab Interconnection
The NYISO Operating Committee approved the system impact study for the second of Micron Technology’s semiconductor chip manufacturing centers.
© RTO Insider
New York PSC Denies NYPA’s Clean Path Transmission Priority Status
The New York Public Service Commission denied the New York Power Authority’s petition to grant the Clean Path New York transmission project priority status.
Nexamp
Nexamp Complains of Unfair IC Cost Increases by National Grid
Community solar developer Nexamp filed a complaint against National Grid with the New York Public Service Commission accusing the utility of unfair price increases and violating state interconnection process agreements.
NYISO
NYISO Stakeholders Concerned About Lack of Data on Supplemental Commitments
Stakeholders requested the NYISO Market Monitoring Unit provide an explanation of the difficulties in obtaining data from the ISO and market participants on supplemental commitments after it presented its State of the Market report for the first quarter.
Plaza Construction
NYISO Drops Seasonal CAFs from Winter Reliability Project
NYISO told stakeholders it was no longer considering seasonal capacity accreditation factors because it found they would disincentivize participation in the capacity market.
Constellation Energy
N.Y. Makes Case for Extending Nuclear Subsidies to 2049
The Department of Public Service proposes the state extend its subsidy program for its commercial nuclear facilities from 2029 to 2049 to help ensure the operators of America’s two oldest reactors seeks to relicense them. 
NYISO
NYISO Presents Informational CAFs for Non-firm Generators
NYISO provided a glimpse into the possible capacity accreditation factors for gas generator units that have not guaranteed a supply of fuel for the winter capability period.

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